Oakbrook Preparatory School

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The Upper School at Oakbrook fuses academic rigor with Christian values and a sense of community. Students are challenged to think deeply and creatively, research and question, express themselves confidently, develop a strong personal faith, and serve others humbly.

Students are taught to be responsible citizens where self-discipline is promoted. Students sign the Honor Code and pledge to honor academic and personal integrity and uphold the values of honesty, respect, and responsibility.

The Upper School is comprised of grades nine through twelve.


The Upper School offers a rich curriculum that is designed to provide a comprehensive and intellectually challenging academic program that prepares students to perform at the highest level in college as well as to lead and serve in the greater community.

Christian Studies

As a non-denominational Christian school, Oakbrook has the unique opportunity to help our students discover what it means to live by faith. We believe that education cannot be divided into spiritual and secular components, but that all truth is God’s truth.


In keeping with our core value of Community, Upper School students are encouraged to engage in our school community. Ninety percent of our Upper School students participate in some type of “beyond the classroom” experience. We are committed to educating our students to the challenges of the broader community and to foster a sense of servant leadership and responsibility.

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